Home / 4,619.32-6,929.82-2,156.92

Finding the Fourth Proportional to 4,619.32, 6,929.82 and 2,156.92

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Solution

The fourth proportional to 4,619.32, 6,929.82 and 2,156.92 is: 3,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.32 : 6,929.82 = 2,156.92 : x
  2. Step 2: Convert to fraction form
    4,619.32/6,929.82 = 2,156.92/x
  3. Step 3: Cross multiply
    4,619.32x = 6,929.82 × 2,156.92
  4. Step 4: Simplify right side
    4,619.32x = 14,947,067.35
  5. Step 5: Solve for x
    x = 14,947,067.35/4,619.32
  6. Step 6: Final answer
    x = 3,235.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.